+ {
+ EL_TIMEGATE_SWITCH, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.time_timegate, 10
+ },
+
+ {
+ EL_LIGHT_SWITCH_ACTIVE, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.time_light, 10
+ },
+
+ {
+ EL_SHIELD_NORMAL, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.shield_normal_time, 10
+ },
+ {
+ EL_SHIELD_NORMAL, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &li.score[SC_SHIELD], 10
+ },
+
+ {
+ EL_SHIELD_DEADLY, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.shield_deadly_time, 10
+ },
+ {
+ EL_SHIELD_DEADLY, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &li.score[SC_SHIELD], 10
+ },
+
+ {
+ EL_EXTRA_TIME, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.extra_time, 10
+ },
+ {
+ EL_EXTRA_TIME, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &li.extra_time_score, 10
+ },
+
+ {
+ EL_TIME_ORB_FULL, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.time_orb_time, 10
+ },
+ {
+ EL_TIME_ORB_FULL, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(1),
+ &li.use_time_orb_bug, FALSE
+ },
+
+ {
+ EL_SPRING, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(1),
+ &li.use_spring_bug, FALSE
+ },
+
+ {
+ EL_EMC_ANDROID, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.android_move_time, 10
+ },
+ {
+ EL_EMC_ANDROID, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &li.android_clone_time, 10
+ },
+ {
+ EL_EMC_ANDROID, -1,
+ TYPE_ELEMENT_LIST, CONF_VALUE_BYTES(1),
+ &li.android_clone_element[0], EL_EMPTY, NULL,
+ &li.num_android_clone_elements, 1, MAX_ANDROID_ELEMENTS
+ },
+
+ {
+ EL_EMC_LENSES, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.lenses_score, 10
+ },
+ {
+ EL_EMC_LENSES, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &li.lenses_time, 10
+ },
+
+ {
+ EL_EMC_MAGNIFIER, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.magnify_score, 10
+ },
+ {
+ EL_EMC_MAGNIFIER, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &li.magnify_time, 10
+ },
+
+ {
+ EL_EMC_MAGIC_BALL, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.ball_time, 10
+ },
+ {
+ EL_EMC_MAGIC_BALL, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(1),
+ &li.ball_random, FALSE
+ },
+ {
+ EL_EMC_MAGIC_BALL, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(2),
+ &li.ball_state_initial, FALSE
+ },
+ {
+ EL_EMC_MAGIC_BALL, -1,
+ TYPE_CONTENT_LIST, CONF_VALUE_BYTES(1),
+ &li.ball_content, EL_EMPTY, NULL,
+ &li.num_ball_contents, 4, MAX_ELEMENT_CONTENTS
+ },
+
+ /* ---------- unused values ----------------------------------------------- */
+
+ {
+ EL_UNKNOWN, SAVE_CONF_NEVER,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(1),
+ &li.score[SC_UNKNOWN_14], 10
+ },
+ {
+ EL_UNKNOWN, SAVE_CONF_NEVER,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &li.score[SC_UNKNOWN_15], 10
+ },
+
+ {
+ -1, -1,
+ -1, -1,
+ NULL, -1
+ }
+};
+
+static struct LevelFileConfigInfo chunk_config_NOTE[] =
+{
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(1),
+ &xx_envelope.xsize, MAX_ENVELOPE_XSIZE,
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(2),
+ &xx_envelope.ysize, MAX_ENVELOPE_YSIZE,
+ },
+
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(3),
+ &xx_envelope.autowrap, FALSE
+ },
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(4),
+ &xx_envelope.centered, FALSE
+ },
+
+ {
+ -1, -1,
+ TYPE_STRING, CONF_VALUE_BYTES(1),
+ &xx_envelope.text, -1, NULL,
+ &xx_string_length_unused, -1, MAX_ENVELOPE_TEXT_LEN,
+ &xx_default_string_empty[0]
+ },
+
+ {
+ -1, -1,
+ -1, -1,
+ NULL, -1
+ }
+};
+
+static struct LevelFileConfigInfo chunk_config_CUSX_base[] =
+{
+ {
+ -1, -1,
+ TYPE_STRING, CONF_VALUE_BYTES(1),
+ &xx_ei.description[0], -1,
+ &yy_ei.description[0],
+ &xx_string_length_unused, -1, MAX_ELEMENT_NAME_LEN,
+ &xx_default_description[0]
+ },
+
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_32_BIT(1),
+ &xx_ei.properties[EP_BITFIELD_BASE_NR], EP_BITMASK_BASE_DEFAULT,
+ &yy_ei.properties[EP_BITFIELD_BASE_NR]
+ },
+#if ENABLE_RESERVED_CODE
+ /* (reserved for later use) */
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_32_BIT(2),
+ &xx_ei.properties[EP_BITFIELD_BASE_NR + 1], EP_BITMASK_DEFAULT,
+ &yy_ei.properties[EP_BITFIELD_BASE_NR + 1]
+ },
+#endif
+
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(1),
+ &xx_ei.use_gfx_element, FALSE,
+ &yy_ei.use_gfx_element
+ },
+ {
+ -1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(1),
+ &xx_ei.gfx_element_initial, EL_EMPTY_SPACE,
+ &yy_ei.gfx_element_initial
+ },
+
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_8_BIT(2),
+ &xx_ei.access_direction, MV_ALL_DIRECTIONS,
+ &yy_ei.access_direction
+ },
+
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &xx_ei.collect_score_initial, 10,
+ &yy_ei.collect_score_initial
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(3),
+ &xx_ei.collect_count_initial, 1,
+ &yy_ei.collect_count_initial
+ },
+
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(4),
+ &xx_ei.ce_value_fixed_initial, 0,
+ &yy_ei.ce_value_fixed_initial
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(5),
+ &xx_ei.ce_value_random_initial, 0,
+ &yy_ei.ce_value_random_initial
+ },
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(3),
+ &xx_ei.use_last_ce_value, FALSE,
+ &yy_ei.use_last_ce_value
+ },
+
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(6),
+ &xx_ei.push_delay_fixed, 8,
+ &yy_ei.push_delay_fixed
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(7),
+ &xx_ei.push_delay_random, 8,
+ &yy_ei.push_delay_random
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(8),
+ &xx_ei.drop_delay_fixed, 0,
+ &yy_ei.drop_delay_fixed
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(9),
+ &xx_ei.drop_delay_random, 0,
+ &yy_ei.drop_delay_random
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(10),
+ &xx_ei.move_delay_fixed, 0,
+ &yy_ei.move_delay_fixed
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(11),
+ &xx_ei.move_delay_random, 0,
+ &yy_ei.move_delay_random
+ },
+
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_32_BIT(3),
+ &xx_ei.move_pattern, MV_ALL_DIRECTIONS,
+ &yy_ei.move_pattern
+ },
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_8_BIT(4),
+ &xx_ei.move_direction_initial, MV_START_AUTOMATIC,
+ &yy_ei.move_direction_initial
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(5),
+ &xx_ei.move_stepsize, TILEX / 8,
+ &yy_ei.move_stepsize
+ },
+
+ {
+ -1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(12),
+ &xx_ei.move_enter_element, EL_EMPTY_SPACE,
+ &yy_ei.move_enter_element
+ },
+ {
+ -1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(13),
+ &xx_ei.move_leave_element, EL_EMPTY_SPACE,
+ &yy_ei.move_leave_element
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(6),
+ &xx_ei.move_leave_type, LEAVE_TYPE_UNLIMITED,
+ &yy_ei.move_leave_type
+ },
+
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(7),
+ &xx_ei.slippery_type, SLIPPERY_ANY_RANDOM,
+ &yy_ei.slippery_type
+ },
+
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(8),
+ &xx_ei.explosion_type, EXPLODES_3X3,
+ &yy_ei.explosion_type
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(14),
+ &xx_ei.explosion_delay, 16,
+ &yy_ei.explosion_delay
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(15),
+ &xx_ei.ignition_delay, 8,
+ &yy_ei.ignition_delay
+ },
+
+ {
+ -1, -1,
+ TYPE_CONTENT_LIST, CONF_VALUE_BYTES(2),
+ &xx_ei.content, EL_EMPTY_SPACE,
+ &yy_ei.content,
+ &xx_num_contents, 1, 1
+ },
+
+ /* ---------- "num_change_pages" must be the last entry ------------------- */
+
+ {
+ -1, SAVE_CONF_ALWAYS,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(9),
+ &xx_ei.num_change_pages, 1,
+ &yy_ei.num_change_pages
+ },
+
+ {
+ -1, -1,
+ -1, -1,
+ NULL, -1,
+ NULL
+ }
+};
+
+static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
+{
+ /* ---------- "current_change_page" must be the first entry --------------- */
+
+ {
+ -1, SAVE_CONF_ALWAYS,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(1),
+ &xx_current_change_page, -1
+ },
+
+ /* ---------- (the remaining entries can be in any order) ----------------- */
+
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(2),
+ &xx_change.can_change, FALSE
+ },
+
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_32_BIT(1),
+ &xx_event_bits[0], 0
+ },
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_32_BIT(2),
+ &xx_event_bits[1], 0
+ },
+
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_8_BIT(3),
+ &xx_change.trigger_player, CH_PLAYER_ANY
+ },
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_8_BIT(4),
+ &xx_change.trigger_side, CH_SIDE_ANY
+ },
+ {
+ -1, -1,
+ TYPE_BITFIELD, CONF_VALUE_32_BIT(3),
+ &xx_change.trigger_page, CH_PAGE_ANY
+ },
+
+ {
+ -1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(1),
+ &xx_change.target_element, EL_EMPTY_SPACE
+ },
+
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(2),
+ &xx_change.delay_fixed, 0
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(3),
+ &xx_change.delay_random, 0
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(4),
+ &xx_change.delay_frames, FRAMES_PER_SECOND
+ },
+
+ {
+ -1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(5),
+ &xx_change.initial_trigger_element, EL_EMPTY_SPACE
+ },
+
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(6),
+ &xx_change.explode, FALSE
+ },
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(7),
+ &xx_change.use_target_content, FALSE
+ },
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(8),
+ &xx_change.only_if_complete, FALSE
+ },
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(9),
+ &xx_change.use_random_replace, FALSE
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(10),
+ &xx_change.random_percentage, 100
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(11),
+ &xx_change.replace_when, CP_WHEN_EMPTY
+ },
+
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(12),
+ &xx_change.has_action, FALSE
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(13),
+ &xx_change.action_type, CA_NO_ACTION
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(14),
+ &xx_change.action_mode, CA_MODE_UNDEFINED
+ },
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_16_BIT(6),
+ &xx_change.action_arg, CA_ARG_UNDEFINED
+ },
+
+ {
+ -1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(7),
+ &xx_change.action_element, EL_EMPTY_SPACE
+ },
+
+ {
+ -1, -1,
+ TYPE_CONTENT_LIST, CONF_VALUE_BYTES(1),
+ &xx_change.target_content, EL_EMPTY_SPACE, NULL,
+ &xx_num_contents, 1, 1
+ },
+
+ {
+ -1, -1,
+ -1, -1,
+ NULL, -1
+ }
+};
+
+static struct LevelFileConfigInfo chunk_config_GRPX[] =
+{
+ {
+ -1, -1,
+ TYPE_STRING, CONF_VALUE_BYTES(1),
+ &xx_ei.description[0], -1, NULL,
+ &xx_string_length_unused, -1, MAX_ELEMENT_NAME_LEN,
+ &xx_default_description[0]
+ },
+
+ {
+ -1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(1),
+ &xx_ei.use_gfx_element, FALSE
+ },
+ {
+ -1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(1),
+ &xx_ei.gfx_element_initial, EL_EMPTY_SPACE
+ },
+
+ {
+ -1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(2),
+ &xx_group.choice_mode, ANIM_RANDOM
+ },
+
+ {
+ -1, -1,
+ TYPE_ELEMENT_LIST, CONF_VALUE_BYTES(2),
+ &xx_group.element[0], EL_EMPTY_SPACE, NULL,
+ &xx_group.num_elements, 1, MAX_ELEMENTS_IN_GROUP
+ },
+
+ {
+ -1, -1,
+ -1, -1,
+ NULL, -1
+ }
+};
+
+static struct LevelFileConfigInfo chunk_config_CONF[] = /* (OBSOLETE) */
+{
+ {
+ EL_PLAYER_1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(9),
+ &li.block_snap_field, TRUE
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(13),
+ &li.continuous_snapping, TRUE
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_INTEGER, CONF_VALUE_8_BIT(1),
+ &li.initial_player_stepsize[0], STEPSIZE_NORMAL
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(10),
+ &li.use_start_element[0], FALSE
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(1),
+ &li.start_element[0], EL_PLAYER_1
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(11),
+ &li.use_artwork_element[0], FALSE
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(2),
+ &li.artwork_element[0], EL_PLAYER_1
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_BOOLEAN, CONF_VALUE_8_BIT(12),
+ &li.use_explosion_element[0], FALSE
+ },
+ {
+ EL_PLAYER_1, -1,
+ TYPE_ELEMENT, CONF_VALUE_16_BIT(3),
+ &li.explosion_element[0], EL_PLAYER_1
+ },
+
+ {
+ -1, -1,
+ -1, -1,
+ NULL, -1
+ }
+};
+
+static struct
+{
+ int filetype;
+ char *id;
+}
+filetype_id_list[] =
+{
+ { LEVEL_FILE_TYPE_RND, "RND" },
+ { LEVEL_FILE_TYPE_BD, "BD" },
+ { LEVEL_FILE_TYPE_EM, "EM" },
+ { LEVEL_FILE_TYPE_SP, "SP" },
+ { LEVEL_FILE_TYPE_DX, "DX" },
+ { LEVEL_FILE_TYPE_SB, "SB" },
+ { LEVEL_FILE_TYPE_DC, "DC" },
+ { -1, NULL },
+};
+
+
+/* ========================================================================= */
+/* level file functions */
+/* ========================================================================= */
+
+static boolean check_special_flags(char *flag)
+{
+ if (strEqual(options.special_flags, flag) ||
+ strEqual(leveldir_current->special_flags, flag))
+ return TRUE;
+
+ return FALSE;
+}
+
+static struct DateInfo getCurrentDate()
+{
+ time_t epoch_seconds = time(NULL);
+ struct tm *now = localtime(&epoch_seconds);
+ struct DateInfo date;
+
+ date.year = now->tm_year + 1900;
+ date.month = now->tm_mon + 1;
+ date.day = now->tm_mday;
+
+ date.src = DATE_SRC_CLOCK;
+
+ return date;
+}
+
+static void resetEventFlags(struct ElementChangeInfo *change)
+{
+ int i;
+
+ for (i = 0; i < NUM_CHANGE_EVENTS; i++)
+ change->has_event[i] = FALSE;
+}
+
+static void resetEventBits()
+{
+ int i;
+
+ for (i = 0; i < NUM_CE_BITFIELDS; i++)
+ xx_event_bits[i] = 0;
+}
+
+static void setEventFlagsFromEventBits(struct ElementChangeInfo *change)
+{
+ int i;
+
+ /* important: only change event flag if corresponding event bit is set
+ (this is because all xx_event_bits[] values are loaded separately,
+ and all xx_event_bits[] values are set back to zero before loading
+ another value xx_event_bits[x] (each value representing 32 flags)) */
+
+ for (i = 0; i < NUM_CHANGE_EVENTS; i++)
+ if (xx_event_bits[CH_EVENT_BITFIELD_NR(i)] & CH_EVENT_BIT(i))
+ change->has_event[i] = TRUE;
+}
+
+static void setEventBitsFromEventFlags(struct ElementChangeInfo *change)
+{
+ int i;
+
+ /* in contrast to the above function setEventFlagsFromEventBits(), it
+ would also be possible to set all bits in xx_event_bits[] to 0 or 1
+ depending on the corresponding change->has_event[i] values here, as
+ all xx_event_bits[] values are reset in resetEventBits() before */
+
+ for (i = 0; i < NUM_CHANGE_EVENTS; i++)
+ if (change->has_event[i])
+ xx_event_bits[CH_EVENT_BITFIELD_NR(i)] |= CH_EVENT_BIT(i);
+}
+
+static char *getDefaultElementDescription(struct ElementInfo *ei)
+{
+ static char description[MAX_ELEMENT_NAME_LEN + 1];
+ char *default_description = (ei->custom_description != NULL ?
+ ei->custom_description :
+ ei->editor_description);
+ int i;
+
+ /* always start with reliable default values */
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
+ description[i] = '\0';
+
+ /* truncate element description to MAX_ELEMENT_NAME_LEN bytes */
+ strncpy(description, default_description, MAX_ELEMENT_NAME_LEN);
+
+ return &description[0];
+}
+
+static void setElementDescriptionToDefault(struct ElementInfo *ei)
+{
+ char *default_description = getDefaultElementDescription(ei);
+ int i;
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
+ ei->description[i] = default_description[i];
+}
+
+static void setConfigToDefaultsFromConfigList(struct LevelFileConfigInfo *conf)
+{
+ int i;
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ int default_value = conf[i].default_value;
+ int data_type = conf[i].data_type;
+ int conf_type = conf[i].conf_type;
+ int byte_mask = conf_type & CONF_MASK_BYTES;
+
+ if (byte_mask == CONF_MASK_MULTI_BYTES)
+ {
+ int default_num_entities = conf[i].default_num_entities;
+ int max_num_entities = conf[i].max_num_entities;
+
+ *(int *)(conf[i].num_entities) = default_num_entities;
+
+ if (data_type == TYPE_STRING)
+ {
+ char *default_string = conf[i].default_string;
+ char *string = (char *)(conf[i].value);
+
+ strncpy(string, default_string, max_num_entities);
+ }
+ else if (data_type == TYPE_ELEMENT_LIST)
+ {
+ int *element_array = (int *)(conf[i].value);
+ int j;
+
+ for (j = 0; j < max_num_entities; j++)
+ element_array[j] = default_value;
+ }
+ else if (data_type == TYPE_CONTENT_LIST)
+ {
+ struct Content *content = (struct Content *)(conf[i].value);
+ int c, x, y;
+
+ for (c = 0; c < max_num_entities; c++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content[c].e[x][y] = default_value;
+ }
+ }
+ else /* constant size configuration data (1, 2 or 4 bytes) */
+ {
+ if (data_type == TYPE_BOOLEAN)
+ *(boolean *)(conf[i].value) = default_value;
+ else
+ *(int *) (conf[i].value) = default_value;
+ }
+ }
+}
+
+static void copyConfigFromConfigList(struct LevelFileConfigInfo *conf)
+{
+ int i;
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ int data_type = conf[i].data_type;
+ int conf_type = conf[i].conf_type;
+ int byte_mask = conf_type & CONF_MASK_BYTES;
+
+ if (byte_mask == CONF_MASK_MULTI_BYTES)
+ {
+ int max_num_entities = conf[i].max_num_entities;
+
+ if (data_type == TYPE_STRING)
+ {
+ char *string = (char *)(conf[i].value);
+ char *string_copy = (char *)(conf[i].value_copy);
+
+ strncpy(string_copy, string, max_num_entities);
+ }
+ else if (data_type == TYPE_ELEMENT_LIST)
+ {
+ int *element_array = (int *)(conf[i].value);
+ int *element_array_copy = (int *)(conf[i].value_copy);
+ int j;
+
+ for (j = 0; j < max_num_entities; j++)
+ element_array_copy[j] = element_array[j];
+ }
+ else if (data_type == TYPE_CONTENT_LIST)
+ {
+ struct Content *content = (struct Content *)(conf[i].value);
+ struct Content *content_copy = (struct Content *)(conf[i].value_copy);
+ int c, x, y;
+
+ for (c = 0; c < max_num_entities; c++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content_copy[c].e[x][y] = content[c].e[x][y];
+ }
+ }
+ else /* constant size configuration data (1, 2 or 4 bytes) */
+ {
+ if (data_type == TYPE_BOOLEAN)
+ *(boolean *)(conf[i].value_copy) = *(boolean *)(conf[i].value);
+ else
+ *(int *) (conf[i].value_copy) = *(int *) (conf[i].value);
+ }
+ }
+}
+
+void copyElementInfo(struct ElementInfo *ei_from, struct ElementInfo *ei_to)
+{
+ int i;
+
+ xx_ei = *ei_from; /* copy element data into temporary buffer */
+ yy_ei = *ei_to; /* copy element data into temporary buffer */
+
+ copyConfigFromConfigList(chunk_config_CUSX_base);
+
+ *ei_from = xx_ei;
+ *ei_to = yy_ei;
+
+ /* ---------- reinitialize and copy change pages ---------- */
+
+ ei_to->num_change_pages = ei_from->num_change_pages;
+ ei_to->current_change_page = ei_from->current_change_page;
+
+ setElementChangePages(ei_to, ei_to->num_change_pages);
+
+ for (i = 0; i < ei_to->num_change_pages; i++)
+ ei_to->change_page[i] = ei_from->change_page[i];
+
+ /* ---------- copy group element info ---------- */
+ if (ei_from->group != NULL && ei_to->group != NULL) /* group or internal */
+ *ei_to->group = *ei_from->group;
+
+ /* mark this custom element as modified */
+ ei_to->modified_settings = TRUE;
+}
+
+void setElementChangePages(struct ElementInfo *ei, int change_pages)
+{
+ int change_page_size = sizeof(struct ElementChangeInfo);
+
+ ei->num_change_pages = MAX(1, change_pages);
+
+ ei->change_page =
+ checked_realloc(ei->change_page, ei->num_change_pages * change_page_size);
+
+ if (ei->current_change_page >= ei->num_change_pages)
+ ei->current_change_page = ei->num_change_pages - 1;
+
+ ei->change = &ei->change_page[ei->current_change_page];
+}
+
+void setElementChangeInfoToDefaults(struct ElementChangeInfo *change)
+{
+ xx_change = *change; /* copy change data into temporary buffer */
+
+ setConfigToDefaultsFromConfigList(chunk_config_CUSX_change);
+
+ *change = xx_change;
+
+ resetEventFlags(change);
+
+ change->direct_action = 0;
+ change->other_action = 0;
+
+ change->pre_change_function = NULL;
+ change->change_function = NULL;
+ change->post_change_function = NULL;
+}
+
+static void setLevelInfoToDefaults_Level(struct LevelInfo *level)
+{
+ int i, x, y;
+
+ li = *level; /* copy level data into temporary buffer */
+ setConfigToDefaultsFromConfigList(chunk_config_INFO);
+ *level = li; /* copy temporary buffer back to level data */
+
+ setLevelInfoToDefaults_EM();
+ setLevelInfoToDefaults_SP();
+
+ level->native_em_level = &native_em_level;
+ level->native_sp_level = &native_sp_level;
+
+ level->file_version = FILE_VERSION_ACTUAL;
+ level->game_version = GAME_VERSION_ACTUAL;
+
+ level->creation_date = getCurrentDate();
+
+ level->encoding_16bit_field = TRUE;
+ level->encoding_16bit_yamyam = TRUE;
+ level->encoding_16bit_amoeba = TRUE;
+
+ /* clear level name and level author string buffers */
+ for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
+ level->name[i] = '\0';
+ for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
+ level->author[i] = '\0';
+
+ /* set level name and level author to default values */
+ strcpy(level->name, NAMELESS_LEVEL_NAME);
+ strcpy(level->author, ANONYMOUS_NAME);
+
+ /* set level playfield to playable default level with player and exit */
+ for (x = 0; x < MAX_LEV_FIELDX; x++)
+ for (y = 0; y < MAX_LEV_FIELDY; y++)
+ level->field[x][y] = EL_SAND;
+
+ level->field[0][0] = EL_PLAYER_1;
+ level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED;
+
+ BorderElement = EL_STEELWALL;
+
+ /* set all bug compatibility flags to "false" => do not emulate this bug */
+ level->use_action_after_change_bug = FALSE;
+
+ if (leveldir_current)
+ {
+ /* try to determine better author name than 'anonymous' */
+ if (!strEqual(leveldir_current->author, ANONYMOUS_NAME))
+ {
+ strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN);
+ level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
+ }
+ else
+ {
+ switch (LEVELCLASS(leveldir_current))
+ {
+ case LEVELCLASS_TUTORIAL:
+ strcpy(level->author, PROGRAM_AUTHOR_STRING);
+ break;
+
+ case LEVELCLASS_CONTRIB:
+ strncpy(level->author, leveldir_current->name, MAX_LEVEL_AUTHOR_LEN);
+ level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
+ break;
+
+ case LEVELCLASS_PRIVATE:
+ strncpy(level->author, getRealName(), MAX_LEVEL_AUTHOR_LEN);
+ level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
+ break;
+
+ default:
+ /* keep default value */
+ break;
+ }
+ }
+ }
+}
+
+static void setLevelInfoToDefaults_Elements(struct LevelInfo *level)
+{
+ static boolean clipboard_elements_initialized = FALSE;
+ int i;
+
+ InitElementPropertiesStatic();
+
+ li = *level; /* copy level data into temporary buffer */
+ setConfigToDefaultsFromConfigList(chunk_config_ELEM);
+ *level = li; /* copy temporary buffer back to level data */
+
+ for (i = 0; i < MAX_NUM_ELEMENTS; i++)
+ {
+ int element = i;
+ struct ElementInfo *ei = &element_info[element];
+
+ /* never initialize clipboard elements after the very first time */
+ /* (to be able to use clipboard elements between several levels) */
+ if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized)
+ continue;
+
+ if (IS_ENVELOPE(element))
+ {
+ int envelope_nr = element - EL_ENVELOPE_1;
+
+ setConfigToDefaultsFromConfigList(chunk_config_NOTE);
+
+ level->envelope[envelope_nr] = xx_envelope;
+ }
+
+ if (IS_CUSTOM_ELEMENT(element) ||
+ IS_GROUP_ELEMENT(element) ||
+ IS_INTERNAL_ELEMENT(element))
+ {
+ xx_ei = *ei; /* copy element data into temporary buffer */
+
+ setConfigToDefaultsFromConfigList(chunk_config_CUSX_base);
+
+ *ei = xx_ei;
+ }
+
+ setElementChangePages(ei, 1);
+ setElementChangeInfoToDefaults(ei->change);
+
+ if (IS_CUSTOM_ELEMENT(element) ||
+ IS_GROUP_ELEMENT(element) ||
+ IS_INTERNAL_ELEMENT(element))
+ {
+ setElementDescriptionToDefault(ei);
+
+ ei->modified_settings = FALSE;
+ }
+
+ if (IS_CUSTOM_ELEMENT(element) ||
+ IS_INTERNAL_ELEMENT(element))
+ {
+ /* internal values used in level editor */
+
+ ei->access_type = 0;
+ ei->access_layer = 0;
+ ei->access_protected = 0;
+ ei->walk_to_action = 0;
+ ei->smash_targets = 0;
+ ei->deadliness = 0;
+
+ ei->can_explode_by_fire = FALSE;
+ ei->can_explode_smashed = FALSE;
+ ei->can_explode_impact = FALSE;
+
+ ei->current_change_page = 0;
+ }
+
+ if (IS_GROUP_ELEMENT(element) ||
+ IS_INTERNAL_ELEMENT(element))
+ {
+ struct ElementGroupInfo *group;
+
+ /* initialize memory for list of elements in group */
+ if (ei->group == NULL)
+ ei->group = checked_malloc(sizeof(struct ElementGroupInfo));
+
+ group = ei->group;
+
+ xx_group = *group; /* copy group data into temporary buffer */
+
+ setConfigToDefaultsFromConfigList(chunk_config_GRPX);
+
+ *group = xx_group;
+ }
+ }
+
+ clipboard_elements_initialized = TRUE;
+}
+
+static void setLevelInfoToDefaults(struct LevelInfo *level,
+ boolean level_info_only)
+{
+ setLevelInfoToDefaults_Level(level);
+
+ if (!level_info_only)
+ setLevelInfoToDefaults_Elements(level);
+
+ level->no_valid_file = FALSE;
+
+ level->changed = FALSE;
+}
+
+static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info)
+{
+ level_file_info->nr = 0;
+ level_file_info->type = LEVEL_FILE_TYPE_UNKNOWN;
+ level_file_info->packed = FALSE;
+ level_file_info->basename = NULL;
+ level_file_info->filename = NULL;
+}
+
+static void ActivateLevelTemplate()
+{
+ int x, y;
+
+ /* Currently there is no special action needed to activate the template
+ data, because 'element_info' property settings overwrite the original
+ level data, while all other variables do not change. */
+
+ /* Exception: 'from_level_template' elements in the original level playfield
+ are overwritten with the corresponding elements at the same position in
+ playfield from the level template. */
+
+ for (x = 0; x < level.fieldx; x++)
+ for (y = 0; y < level.fieldy; y++)
+ if (level.field[x][y] == EL_FROM_LEVEL_TEMPLATE)
+ level.field[x][y] = level_template.field[x][y];
+
+ if (check_special_flags("load_xsb_to_ces"))
+ {
+ struct LevelInfo level_backup = level;
+
+ /* overwrite all individual level settings from template level settings */
+ level = level_template;
+
+ /* restore playfield size */
+ level.fieldx = level_backup.fieldx;
+ level.fieldy = level_backup.fieldy;
+
+ /* restore playfield content */
+ for (x = 0; x < level.fieldx; x++)
+ for (y = 0; y < level.fieldy; y++)
+ level.field[x][y] = level_backup.field[x][y];
+
+ /* restore name and author from individual level */
+ strcpy(level.name, level_backup.name);
+ strcpy(level.author, level_backup.author);
+
+ /* restore flag "use_custom_template" */
+ level.use_custom_template = level_backup.use_custom_template;
+ }
+}
+
+static char *getLevelFilenameFromBasename(char *basename)
+{
+ static char *filename = NULL;
+
+ checked_free(filename);
+
+ filename = getPath2(getCurrentLevelDir(), basename);
+
+ return filename;
+}
+
+static int getFileTypeFromBasename(char *basename)
+{
+ /* !!! ALSO SEE COMMENT IN checkForPackageFromBasename() !!! */
+
+ static char *filename = NULL;
+ struct stat file_status;
+
+ /* ---------- try to determine file type from filename ---------- */
+
+ /* check for typical filename of a Supaplex level package file */
+ if (strlen(basename) == 10 && strPrefixLower(basename, "levels.d"))
+ return LEVEL_FILE_TYPE_SP;
+
+ /* check for typical filename of a Diamond Caves II level package file */
+ if (strSuffixLower(basename, ".dc") ||
+ strSuffixLower(basename, ".dc2"))
+ return LEVEL_FILE_TYPE_DC;
+
+ /* check for typical filename of a Sokoban level package file */
+ if (strSuffixLower(basename, ".xsb") &&
+ strchr(basename, '%') == NULL)
+ return LEVEL_FILE_TYPE_SB;
+
+ /* ---------- try to determine file type from filesize ---------- */
+
+ checked_free(filename);
+ filename = getPath2(getCurrentLevelDir(), basename);
+
+ if (stat(filename, &file_status) == 0)
+ {
+ /* check for typical filesize of a Supaplex level package file */
+ if (file_status.st_size == 170496)
+ return LEVEL_FILE_TYPE_SP;
+ }
+
+ return LEVEL_FILE_TYPE_UNKNOWN;
+}
+
+static boolean checkForPackageFromBasename(char *basename)
+{
+ /* !!! WON'T WORK ANYMORE IF getFileTypeFromBasename() ALSO DETECTS !!!
+ !!! SINGLE LEVELS (CURRENTLY ONLY DETECTS LEVEL PACKAGES !!! */
+
+ return (getFileTypeFromBasename(basename) != LEVEL_FILE_TYPE_UNKNOWN);
+}
+
+static char *getSingleLevelBasenameExt(int nr, char *extension)
+{
+ static char basename[MAX_FILENAME_LEN];
+
+ if (nr < 0)
+ sprintf(basename, "template.%s", extension);
+ else
+ sprintf(basename, "%03d.%s", nr, extension);
+
+ return basename;
+}
+
+static char *getSingleLevelBasename(int nr)
+{
+ return getSingleLevelBasenameExt(nr, LEVELFILE_EXTENSION);
+}
+
+static char *getPackedLevelBasename(int type)
+{
+ static char basename[MAX_FILENAME_LEN];
+ char *directory = getCurrentLevelDir();
+ Directory *dir;
+ DirectoryEntry *dir_entry;
+
+ strcpy(basename, UNDEFINED_FILENAME); /* default: undefined file */
+
+ if ((dir = openDirectory(directory)) == NULL)
+ {
+ Error(ERR_WARN, "cannot read current level directory '%s'", directory);
+
+ return basename;
+ }
+
+ while ((dir_entry = readDirectory(dir)) != NULL) /* loop all entries */
+ {
+ char *entry_basename = dir_entry->basename;
+ int entry_type = getFileTypeFromBasename(entry_basename);
+
+ if (entry_type != LEVEL_FILE_TYPE_UNKNOWN) /* found valid level package */
+ {
+ if (type == LEVEL_FILE_TYPE_UNKNOWN ||
+ type == entry_type)
+ {
+ strcpy(basename, entry_basename);
+
+ break;
+ }
+ }
+ }
+
+ closeDirectory(dir);
+
+ return basename;
+}
+
+static char *getSingleLevelFilename(int nr)
+{
+ return getLevelFilenameFromBasename(getSingleLevelBasename(nr));
+}
+
+#if ENABLE_UNUSED_CODE
+static char *getPackedLevelFilename(int type)
+{
+ return getLevelFilenameFromBasename(getPackedLevelBasename(type));
+}
+#endif
+
+char *getDefaultLevelFilename(int nr)
+{
+ return getSingleLevelFilename(nr);
+}
+
+#if ENABLE_UNUSED_CODE
+static void setLevelFileInfo_SingleLevelFilename(struct LevelFileInfo *lfi,
+ int type)
+{
+ lfi->type = type;
+ lfi->packed = FALSE;
+ lfi->basename = getSingleLevelBasename(lfi->nr, lfi->type);
+ lfi->filename = getLevelFilenameFromBasename(lfi->basename);
+}
+#endif
+
+static void setLevelFileInfo_FormatLevelFilename(struct LevelFileInfo *lfi,
+ int type, char *format, ...)
+{
+ static char basename[MAX_FILENAME_LEN];
+ va_list ap;
+
+ va_start(ap, format);
+ vsprintf(basename, format, ap);
+ va_end(ap);
+
+ lfi->type = type;
+ lfi->packed = FALSE;
+ lfi->basename = basename;
+ lfi->filename = getLevelFilenameFromBasename(lfi->basename);
+}
+
+static void setLevelFileInfo_PackedLevelFilename(struct LevelFileInfo *lfi,
+ int type)
+{
+ lfi->type = type;
+ lfi->packed = TRUE;
+ lfi->basename = getPackedLevelBasename(lfi->type);
+ lfi->filename = getLevelFilenameFromBasename(lfi->basename);
+}
+
+static int getFiletypeFromID(char *filetype_id)
+{
+ char *filetype_id_lower;
+ int filetype = LEVEL_FILE_TYPE_UNKNOWN;
+ int i;
+
+ if (filetype_id == NULL)
+ return LEVEL_FILE_TYPE_UNKNOWN;
+
+ filetype_id_lower = getStringToLower(filetype_id);
+
+ for (i = 0; filetype_id_list[i].id != NULL; i++)
+ {
+ char *id_lower = getStringToLower(filetype_id_list[i].id);
+
+ if (strEqual(filetype_id_lower, id_lower))
+ filetype = filetype_id_list[i].filetype;
+
+ free(id_lower);
+
+ if (filetype != LEVEL_FILE_TYPE_UNKNOWN)
+ break;
+ }
+
+ free(filetype_id_lower);
+
+ return filetype;
+}
+
+static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi)
+{
+ int nr = lfi->nr;
+
+ /* special case: level number is negative => check for level template file */
+ if (nr < 0)
+ {
+ /* global variable "leveldir_current" must be modified in the loop below */
+ LevelDirTree *leveldir_current_last = leveldir_current;
+
+ /* check for template level in path from current to topmost tree node */
+
+ while (leveldir_current != NULL)
+ {
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
+ "template.%s", LEVELFILE_EXTENSION);
+
+ if (fileExists(lfi->filename))
+ break;
+
+ leveldir_current = leveldir_current->node_parent;
+ }
+
+ /* restore global variable "leveldir_current" modified in above loop */
+ leveldir_current = leveldir_current_last;
+
+ /* no fallback if template file not existing */
+ return;
+ }
+
+ /* special case: check for file name/pattern specified in "levelinfo.conf" */
+ if (leveldir_current->level_filename != NULL)
+ {
+ int filetype = getFiletypeFromID(leveldir_current->level_filetype);
+
+ setLevelFileInfo_FormatLevelFilename(lfi, filetype,
+ leveldir_current->level_filename, nr);
+
+ lfi->packed = checkForPackageFromBasename(leveldir_current->level_filename);
+
+ if (fileExists(lfi->filename))
+ return;
+ }
+
+ /* check for native Rocks'n'Diamonds level file */
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
+ "%03d.%s", nr, LEVELFILE_EXTENSION);
+ if (fileExists(lfi->filename))
+ return;
+
+ /* check for Emerald Mine level file (V1) */
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "a%c%c",
+ 'a' + (nr / 10) % 26, '0' + nr % 10);
+ if (fileExists(lfi->filename))
+ return;
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "A%c%c",
+ 'A' + (nr / 10) % 26, '0' + nr % 10);
+ if (fileExists(lfi->filename))
+ return;
+
+ /* check for Emerald Mine level file (V2 to V5) */
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%d", nr);
+ if (fileExists(lfi->filename))
+ return;
+
+ /* check for Emerald Mine level file (V6 / single mode) */
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02ds", nr);
+ if (fileExists(lfi->filename))
+ return;
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dS", nr);
+ if (fileExists(lfi->filename))
+ return;
+
+ /* check for Emerald Mine level file (V6 / teamwork mode) */
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dt", nr);
+ if (fileExists(lfi->filename))
+ return;
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dT", nr);
+ if (fileExists(lfi->filename))
+ return;
+
+ /* check for various packed level file formats */
+ setLevelFileInfo_PackedLevelFilename(lfi, LEVEL_FILE_TYPE_UNKNOWN);
+ if (fileExists(lfi->filename))
+ return;
+
+ /* no known level file found -- use default values (and fail later) */
+ setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
+ "%03d.%s", nr, LEVELFILE_EXTENSION);
+}
+
+static void determineLevelFileInfo_Filetype(struct LevelFileInfo *lfi)
+{
+ if (lfi->type == LEVEL_FILE_TYPE_UNKNOWN)
+ lfi->type = getFileTypeFromBasename(lfi->basename);
+}
+
+static void setLevelFileInfo(struct LevelFileInfo *level_file_info, int nr)
+{
+ /* always start with reliable default values */
+ setFileInfoToDefaults(level_file_info);
+
+ level_file_info->nr = nr; /* set requested level number */
+
+ determineLevelFileInfo_Filename(level_file_info);
+ determineLevelFileInfo_Filetype(level_file_info);
+}
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading R'n'D level */
+/* ------------------------------------------------------------------------- */
+
+int getMappedElement(int element)
+{
+ /* remap some (historic, now obsolete) elements */
+
+ switch (element)
+ {
+ case EL_PLAYER_OBSOLETE:
+ element = EL_PLAYER_1;
+ break;
+
+ case EL_KEY_OBSOLETE:
+ element = EL_KEY_1;
+ break;
+
+ case EL_EM_KEY_1_FILE_OBSOLETE:
+ element = EL_EM_KEY_1;
+ break;
+
+ case EL_EM_KEY_2_FILE_OBSOLETE:
+ element = EL_EM_KEY_2;
+ break;
+
+ case EL_EM_KEY_3_FILE_OBSOLETE:
+ element = EL_EM_KEY_3;
+ break;
+
+ case EL_EM_KEY_4_FILE_OBSOLETE:
+ element = EL_EM_KEY_4;
+ break;
+
+ case EL_ENVELOPE_OBSOLETE:
+ element = EL_ENVELOPE_1;
+ break;
+
+ case EL_SP_EMPTY:
+ element = EL_EMPTY;
+ break;
+
+ default:
+ if (element >= NUM_FILE_ELEMENTS)
+ {
+ Error(ERR_WARN, "invalid level element %d", element);
+
+ element = EL_UNKNOWN;
+ }
+ break;
+ }
+
+ return element;
+}
+
+int getMappedElementByVersion(int element, int game_version)
+{
+ /* remap some elements due to certain game version */
+
+ if (game_version <= VERSION_IDENT(2,2,0,0))
+ {
+ /* map game font elements */
+ element = (element == EL_CHAR('[') ? EL_CHAR_AUMLAUT :
+ element == EL_CHAR('\\') ? EL_CHAR_OUMLAUT :
+ element == EL_CHAR(']') ? EL_CHAR_UUMLAUT :
+ element == EL_CHAR('^') ? EL_CHAR_COPYRIGHT : element);
+ }
+
+ if (game_version < VERSION_IDENT(3,0,0,0))
+ {
+ /* map Supaplex gravity tube elements */
+ element = (element == EL_SP_GRAVITY_PORT_LEFT ? EL_SP_PORT_LEFT :
+ element == EL_SP_GRAVITY_PORT_RIGHT ? EL_SP_PORT_RIGHT :
+ element == EL_SP_GRAVITY_PORT_UP ? EL_SP_PORT_UP :
+ element == EL_SP_GRAVITY_PORT_DOWN ? EL_SP_PORT_DOWN :
+ element);
+ }
+
+ return element;
+}
+
+static int LoadLevel_VERS(File *file, int chunk_size, struct LevelInfo *level)
+{
+ level->file_version = getFileVersion(file);
+ level->game_version = getFileVersion(file);
+
+ return chunk_size;
+}
+
+static int LoadLevel_DATE(File *file, int chunk_size, struct LevelInfo *level)
+{
+ level->creation_date.year = getFile16BitBE(file);
+ level->creation_date.month = getFile8Bit(file);
+ level->creation_date.day = getFile8Bit(file);
+
+ level->creation_date.src = DATE_SRC_LEVELFILE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_HEAD(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int initial_player_stepsize;
+ int initial_player_gravity;
+ int i, x, y;
+
+ level->fieldx = getFile8Bit(file);
+ level->fieldy = getFile8Bit(file);
+
+ level->time = getFile16BitBE(file);
+ level->gems_needed = getFile16BitBE(file);
+
+ for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
+ level->name[i] = getFile8Bit(file);
+ level->name[MAX_LEVEL_NAME_LEN] = 0;
+
+ for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
+ level->score[i] = getFile8Bit(file);
+
+ level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
+ for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] = getMappedElement(getFile8Bit(file));
+
+ level->amoeba_speed = getFile8Bit(file);
+ level->time_magic_wall = getFile8Bit(file);
+ level->time_wheel = getFile8Bit(file);
+ level->amoeba_content = getMappedElement(getFile8Bit(file));
+
+ initial_player_stepsize = (getFile8Bit(file) == 1 ? STEPSIZE_FAST :
+ STEPSIZE_NORMAL);
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ level->initial_player_stepsize[i] = initial_player_stepsize;
+
+ initial_player_gravity = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ level->initial_player_gravity[i] = initial_player_gravity;
+
+ level->encoding_16bit_field = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->em_slippery_gems = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ level->use_custom_template = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ level->block_last_field = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->sp_block_last_field = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->can_move_into_acid_bits = getFile32BitBE(file);
+ level->dont_collide_with_bits = getFile8Bit(file);
+
+ level->use_spring_bug = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->use_step_counter = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ level->instant_relocation = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->can_pass_to_walkable = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->grow_into_diggable = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ level->game_engine_type = getFile8Bit(file);
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_HEAD_UNUSED);
+
+ return chunk_size;
+}
+
+static int LoadLevel_NAME(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int i;
+
+ for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
+ level->name[i] = getFile8Bit(file);
+ level->name[MAX_LEVEL_NAME_LEN] = 0;
+
+ return chunk_size;
+}
+
+static int LoadLevel_AUTH(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int i;
+
+ for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
+ level->author[i] = getFile8Bit(file);
+ level->author[MAX_LEVEL_AUTHOR_LEN] = 0;
+
+ return chunk_size;
+}
+
+static int LoadLevel_BODY(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int x, y;
+ int chunk_size_expected = level->fieldx * level->fieldy;
+
+ /* Note: "chunk_size" was wrong before version 2.0 when elements are
+ stored with 16-bit encoding (and should be twice as big then).
+ Even worse, playfield data was stored 16-bit when only yamyam content
+ contained 16-bit elements and vice versa. */
+
+ if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
+ chunk_size_expected *= 2;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
+ }
+
+ for (y = 0; y < level->fieldy; y++)
+ for (x = 0; x < level->fieldx; x++)
+ level->field[x][y] =
+ getMappedElement(level->encoding_16bit_field ? getFile16BitBE(file) :
+ getFile8Bit(file));
+ return chunk_size;
+}
+
+static int LoadLevel_CONT(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int i, x, y;
+ int header_size = 4;
+ int content_size = MAX_ELEMENT_CONTENTS * 3 * 3;
+ int chunk_size_expected = header_size + content_size;
+
+ /* Note: "chunk_size" was wrong before version 2.0 when elements are
+ stored with 16-bit encoding (and should be twice as big then).
+ Even worse, playfield data was stored 16-bit when only yamyam content
+ contained 16-bit elements and vice versa. */
+
+ if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
+ chunk_size_expected += content_size;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
+ }
+
+ getFile8Bit(file);
+ level->num_yamyam_contents = getFile8Bit(file);
+ getFile8Bit(file);
+ getFile8Bit(file);
+
+ /* correct invalid number of content fields -- should never happen */
+ if (level->num_yamyam_contents < 1 ||
+ level->num_yamyam_contents > MAX_ELEMENT_CONTENTS)
+ level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] =
+ getMappedElement(level->encoding_16bit_field ?
+ getFile16BitBE(file) : getFile8Bit(file));
+ return chunk_size;
+}
+
+static int LoadLevel_CNT2(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int i, x, y;
+ int element;
+ int num_contents;
+ int content_array[MAX_ELEMENT_CONTENTS][3][3];
+
+ element = getMappedElement(getFile16BitBE(file));
+ num_contents = getFile8Bit(file);
+
+ getFile8Bit(file); /* content x size (unused) */
+ getFile8Bit(file); /* content y size (unused) */
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content_array[i][x][y] = getMappedElement(getFile16BitBE(file));
+
+ /* correct invalid number of content fields -- should never happen */
+ if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS)
+ num_contents = STD_ELEMENT_CONTENTS;
+
+ if (element == EL_YAMYAM)
+ {
+ level->num_yamyam_contents = num_contents;
+
+ for (i = 0; i < num_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] = content_array[i][x][y];
+ }
+ else if (element == EL_BD_AMOEBA)
+ {
+ level->amoeba_content = content_array[0][0][0];
+ }
+ else
+ {
+ Error(ERR_WARN, "cannot load content for element '%d'", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CNT3(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int i;
+ int element;
+ int envelope_nr;
+ int envelope_len;
+ int chunk_size_expected;
+
+ element = getMappedElement(getFile16BitBE(file));
+ if (!IS_ENVELOPE(element))
+ element = EL_ENVELOPE_1;
+
+ envelope_nr = element - EL_ENVELOPE_1;
+
+ envelope_len = getFile16BitBE(file);
+
+ level->envelope[envelope_nr].xsize = getFile8Bit(file);
+ level->envelope[envelope_nr].ysize = getFile8Bit(file);
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED);
+
+ chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < envelope_len; i++)
+ level->envelope[envelope_nr].text[i] = getFile8Bit(file);
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS1(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 6;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ int properties = getFile32BitBE(file);
+
+ if (IS_CUSTOM_ELEMENT(element))
+ element_info[element].properties[EP_BITFIELD_BASE_NR] = properties;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ /* older game versions that wrote level files with CUS1 chunks used
+ different default push delay values (not yet stored in level file) */
+ element_info[element].push_delay_fixed = 2;
+ element_info[element].push_delay_random = 8;
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS2(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 4;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ int custom_target_element = getMappedElement(getFile16BitBE(file));
+
+ if (IS_CUSTOM_ELEMENT(element))
+ element_info[element].change->target_element = custom_target_element;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS3(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
+ int i, j, x, y;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ struct ElementInfo *ei = &element_info[element];
+ unsigned int event_bits;
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ element = EL_INTERNAL_DUMMY;
+ }
+
+ for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
+ ei->description[j] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, 7);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ ei->collect_score_initial = getFile8Bit(file);
+ ei->collect_count_initial = getFile8Bit(file);
+
+ ei->push_delay_fixed = getFile16BitBE(file);
+ ei->push_delay_random = getFile16BitBE(file);
+ ei->move_delay_fixed = getFile16BitBE(file);
+ ei->move_delay_random = getFile16BitBE(file);
+
+ ei->move_pattern = getFile16BitBE(file);
+ ei->move_direction_initial = getFile8Bit(file);
+ ei->move_stepsize = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
+
+ event_bits = getFile32BitBE(file);
+ for (j = 0; j < NUM_CHANGE_EVENTS; j++)
+ if (event_bits & (1 << j))
+ ei->change->has_event[j] = TRUE;
+
+ ei->change->target_element = getMappedElement(getFile16BitBE(file));
+
+ ei->change->delay_fixed = getFile16BitBE(file);
+ ei->change->delay_random = getFile16BitBE(file);
+ ei->change->delay_frames = getFile16BitBE(file);
+
+ ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file));
+
+ ei->change->explode = getFile8Bit(file);
+ ei->change->use_target_content = getFile8Bit(file);
+ ei->change->only_if_complete = getFile8Bit(file);
+ ei->change->use_random_replace = getFile8Bit(file);
+
+ ei->change->random_percentage = getFile8Bit(file);
+ ei->change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->change->target_content.e[x][y] =
+ getMappedElement(getFile16BitBE(file));
+
+ ei->slippery_type = getFile8Bit(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED);
+
+ /* mark that this custom element has been modified */
+ ei->modified_settings = TRUE;
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS4(File *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ int chunk_size_expected;
+ int element;
+ int i, j, x, y;
+
+ /* ---------- custom element base property values (96 bytes) ------------- */
+
+ element = getMappedElement(getFile16BitBE(file));
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
+
+ ReadUnusedBytesFromFile(file, 4); /* reserved for more base properties */
+
+ ei->num_change_pages = getFile8Bit(file);
+
+ chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 43);
+ return chunk_size_expected;
+ }
+
+ ei->ce_value_fixed_initial = getFile16BitBE(file);
+ ei->ce_value_random_initial = getFile16BitBE(file);
+ ei->use_last_ce_value = getFile8Bit(file);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ ei->collect_score_initial = getFile8Bit(file);
+ ei->collect_count_initial = getFile8Bit(file);
+
+ ei->drop_delay_fixed = getFile8Bit(file);
+ ei->push_delay_fixed = getFile8Bit(file);
+ ei->drop_delay_random = getFile8Bit(file);
+ ei->push_delay_random = getFile8Bit(file);
+ ei->move_delay_fixed = getFile16BitBE(file);
+ ei->move_delay_random = getFile16BitBE(file);
+
+ /* bits 0 - 15 of "move_pattern" ... */
+ ei->move_pattern = getFile16BitBE(file);
+ ei->move_direction_initial = getFile8Bit(file);
+ ei->move_stepsize = getFile8Bit(file);
+
+ ei->slippery_type = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
+
+ ei->move_enter_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_type = getFile8Bit(file);
+
+ /* ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible) */
+ ei->move_pattern |= (getFile16BitBE(file) << 16);
+
+ ei->access_direction = getFile8Bit(file);
+
+ ei->explosion_delay = getFile8Bit(file);
+ ei->ignition_delay = getFile8Bit(file);
+ ei->explosion_type = getFile8Bit(file);
+
+ /* some free bytes for future custom property values and padding */
+ ReadUnusedBytesFromFile(file, 1);
+
+ /* ---------- change page property values (48 bytes) --------------------- */
+
+ setElementChangePages(ei, ei->num_change_pages);
+
+ for (i = 0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+ unsigned int event_bits;
+
+ /* always start with reliable default values */
+ setElementChangeInfoToDefaults(change);
+
+ /* bits 0 - 31 of "has_event[]" ... */
+ event_bits = getFile32BitBE(file);
+ for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
+ if (event_bits & (1 << j))
+ change->has_event[j] = TRUE;
+
+ change->target_element = getMappedElement(getFile16BitBE(file));
+
+ change->delay_fixed = getFile16BitBE(file);
+ change->delay_random = getFile16BitBE(file);
+ change->delay_frames = getFile16BitBE(file);
+
+ change->initial_trigger_element = getMappedElement(getFile16BitBE(file));
+
+ change->explode = getFile8Bit(file);
+ change->use_target_content = getFile8Bit(file);
+ change->only_if_complete = getFile8Bit(file);
+ change->use_random_replace = getFile8Bit(file);
+
+ change->random_percentage = getFile8Bit(file);
+ change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ change->target_content.e[x][y]= getMappedElement(getFile16BitBE(file));
+
+ change->can_change = getFile8Bit(file);
+
+ change->trigger_side = getFile8Bit(file);
+
+ change->trigger_player = getFile8Bit(file);
+ change->trigger_page = getFile8Bit(file);
+
+ change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ?
+ CH_PAGE_ANY : (1 << change->trigger_page));
+
+ change->has_action = getFile8Bit(file);
+ change->action_type = getFile8Bit(file);
+ change->action_mode = getFile8Bit(file);
+ change->action_arg = getFile16BitBE(file);
+
+ /* ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible) */
+ event_bits = getFile8Bit(file);
+ for (j = 32; j < NUM_CHANGE_EVENTS; j++)
+ if (event_bits & (1 << (j - 32)))
+ change->has_event[j] = TRUE;
+ }
+
+ /* mark this custom element as modified */
+ ei->modified_settings = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_GRP1(File *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ struct ElementGroupInfo *group;
+ int element;
+ int i;
+
+ element = getMappedElement(getFile16BitBE(file));
+
+ if (!IS_GROUP_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid group element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ group = element_info[element].group;
+
+ group->num_elements = getFile8Bit(file);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ group->choice_mode = getFile8Bit(file);
+
+ /* some free bytes for future values and padding */
+ ReadUnusedBytesFromFile(file, 3);
+
+ for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
+ group->element[i] = getMappedElement(getFile16BitBE(file));
+
+ /* mark this group element as modified */
+ element_info[element].modified_settings = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_MicroChunk(File *file, struct LevelFileConfigInfo *conf,
+ int element, int real_element)
+{
+ int micro_chunk_size = 0;
+ int conf_type = getFile8Bit(file);
+ int byte_mask = conf_type & CONF_MASK_BYTES;
+ boolean element_found = FALSE;
+ int i;
+
+ micro_chunk_size += 1;
+
+ if (byte_mask == CONF_MASK_MULTI_BYTES)
+ {
+ int num_bytes = getFile16BitBE(file);
+ byte *buffer = checked_malloc(num_bytes);
+
+ ReadBytesFromFile(file, buffer, num_bytes);
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ if (conf[i].element == element &&
+ conf[i].conf_type == conf_type)
+ {
+ int data_type = conf[i].data_type;
+ int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
+ int max_num_entities = conf[i].max_num_entities;
+
+ if (num_entities > max_num_entities)
+ {
+ Error(ERR_WARN,
+ "truncating number of entities for element %d from %d to %d",
+ element, num_entities, max_num_entities);
+
+ num_entities = max_num_entities;
+ }
+
+ if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST ||
+ data_type == TYPE_CONTENT_LIST))
+ {
+ /* for element and content lists, zero entities are not allowed */
+ Error(ERR_WARN, "found empty list of entities for element %d",
+ element);
+
+ /* do not set "num_entities" here to prevent reading behind buffer */
+
+ *(int *)(conf[i].num_entities) = 1; /* at least one is required */
+ }
+ else
+ {
+ *(int *)(conf[i].num_entities) = num_entities;
+ }
+
+ element_found = TRUE;
+
+ if (data_type == TYPE_STRING)
+ {
+ char *string = (char *)(conf[i].value);
+ int j;
+
+ for (j = 0; j < max_num_entities; j++)
+ string[j] = (j < num_entities ? buffer[j] : '\0');
+ }
+ else if (data_type == TYPE_ELEMENT_LIST)
+ {
+ int *element_array = (int *)(conf[i].value);
+ int j;
+
+ for (j = 0; j < num_entities; j++)
+ element_array[j] =
+ getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j));
+ }
+ else if (data_type == TYPE_CONTENT_LIST)
+ {
+ struct Content *content= (struct Content *)(conf[i].value);
+ int c, x, y;
+
+ for (c = 0; c < num_entities; c++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content[c].e[x][y] =
+ getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
+ }
+ else
+ element_found = FALSE;
+
+ break;
+ }
+ }
+
+ checked_free(buffer);
+
+ micro_chunk_size += 2 + num_bytes;
+ }
+ else /* constant size configuration data (1, 2 or 4 bytes) */
+ {
+ int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit (file) :
+ byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
+ byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ if (conf[i].element == element &&
+ conf[i].conf_type == conf_type)
+ {
+ int data_type = conf[i].data_type;
+
+ if (data_type == TYPE_ELEMENT)
+ value = getMappedElement(value);
+
+ if (data_type == TYPE_BOOLEAN)
+ *(boolean *)(conf[i].value) = value;
+ else
+ *(int *) (conf[i].value) = value;
+
+ element_found = TRUE;
+
+ break;
+ }
+ }
+
+ micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
+ }
+
+ if (!element_found)
+ {
+ char *error_conf_chunk_bytes =
+ (byte_mask == CONF_MASK_1_BYTE ? "CONF_VALUE_8_BIT" :
+ byte_mask == CONF_MASK_2_BYTE ? "CONF_VALUE_16_BIT" :
+ byte_mask == CONF_MASK_4_BYTE ? "CONF_VALUE_32_BIT" :"CONF_VALUE_BYTES");
+ int error_conf_chunk_token = conf_type & CONF_MASK_TOKEN;
+ int error_element = real_element;
+
+ Error(ERR_WARN, "cannot load micro chunk '%s(%d)' value for element %d ['%s']",
+ error_conf_chunk_bytes, error_conf_chunk_token,
+ error_element, EL_NAME(error_element));
+ }
+
+ return micro_chunk_size;
+}
+
+static int LoadLevel_INFO(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_CONF(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+
+ real_chunk_size += 2;
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF,
+ element, element);
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_ELEM(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+
+ real_chunk_size += 2;
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
+ element, element);
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_NOTE(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int envelope_nr = element - EL_ENVELOPE_1;
+ int real_chunk_size = 2;
+
+ xx_envelope = level->envelope[envelope_nr]; /* copy into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE,
+ -1, element);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ level->envelope[envelope_nr] = xx_envelope; /* copy from temporary buffer */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_CUSX(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int real_chunk_size = 2;
+ struct ElementInfo *ei = &element_info[element];
+ int i;
+
+ xx_ei = *ei; /* copy element data into temporary buffer */
+
+ xx_ei.num_change_pages = -1;
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
+ -1, element);
+ if (xx_ei.num_change_pages != -1)
+ break;
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *ei = xx_ei;
+
+ if (ei->num_change_pages == -1)
+ {
+ Error(ERR_WARN, "LoadLevel_CUSX(): missing 'num_change_pages' for '%s'",
+ EL_NAME(element));
+
+ ei->num_change_pages = 1;
+
+ setElementChangePages(ei, 1);
+ setElementChangeInfoToDefaults(ei->change);
+
+ return real_chunk_size;
+ }
+
+ /* initialize number of change pages stored for this custom element */
+ setElementChangePages(ei, ei->num_change_pages);
+ for (i = 0; i < ei->num_change_pages; i++)
+ setElementChangeInfoToDefaults(&ei->change_page[i]);
+
+ /* start with reading properties for the first change page */
+ xx_current_change_page = 0;
+
+ while (!checkEndOfFile(file))
+ {
+ struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
+
+ xx_change = *change; /* copy change data into temporary buffer */
+
+ resetEventBits(); /* reset bits; change page might have changed */
+
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_change,
+ -1, element);
+
+ *change = xx_change;
+
+ setEventFlagsFromEventBits(change);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_GRPX(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int real_chunk_size = 2;
+ struct ElementInfo *ei = &element_info[element];
+ struct ElementGroupInfo *group = ei->group;
+
+ xx_ei = *ei; /* copy element data into temporary buffer */
+ xx_group = *group; /* copy group data into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX,
+ -1, element);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *ei = xx_ei;
+ *group = xx_group;
+
+ return real_chunk_size;
+}
+
+static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ int chunk_size;
+ File *file;
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strEqual(chunk_name, "RND1"))
+ {
+ getFile32BitBE(file); /* not used */
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (!strEqual(chunk_name, "CAVE"))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+ }
+ else /* check for pre-2.0 file format with cookie string */
+ {
+ strcpy(cookie, chunk_name);
+ if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
+ cookie[4] = '\0';
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ /* pre-2.0 level files have no game version, so use file version here */
+ level->game_version = level->file_version;
+ }
+
+ if (level->file_version < FILE_VERSION_1_2)
+ {
+ /* level files from versions before 1.2.0 without chunk structure */
+ LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level);
+ LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(File *, int, struct LevelInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS },
+ { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE },
+ { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD },
+ { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME },
+ { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH },
+ { "INFO", -1, LoadLevel_INFO },
+ { "BODY", -1, LoadLevel_BODY },
+ { "CONT", -1, LoadLevel_CONT },
+ { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 },
+ { "CNT3", -1, LoadLevel_CNT3 },
+ { "CUS1", -1, LoadLevel_CUS1 },
+ { "CUS2", -1, LoadLevel_CUS2 },
+ { "CUS3", -1, LoadLevel_CUS3 },
+ { "CUS4", -1, LoadLevel_CUS4 },
+ { "GRP1", -1, LoadLevel_GRP1 },
+ { "CONF", -1, LoadLevel_CONF },
+ { "ELEM", -1, LoadLevel_ELEM },
+ { "NOTE", -1, LoadLevel_NOTE },
+ { "CUSX", -1, LoadLevel_CUSX },
+ { "GRPX", -1, LoadLevel_GRPX },
+
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ !strEqual(chunk_name, chunk_info[i].name))
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in level file '%s'",
+ chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else if (chunk_info[i].size != -1 &&
+ chunk_info[i].size != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ /* call function to load this level chunk */
+ int chunk_size_expected =
+ (chunk_info[i].loader)(file, chunk_size, level);
+
+ /* the size of some chunks cannot be checked before reading other
+ chunks first (like "HEAD" and "BODY") that contain some header
+ information, so check them here */
+ if (chunk_size_expected != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ }
+ }
+ }
+ }
+
+ closeFile(file);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading EM level */
+/* ------------------------------------------------------------------------- */
+
+void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
+{
+ static int ball_xy[8][2] =
+ {
+ { 0, 0 },
+ { 1, 0 },
+ { 2, 0 },
+ { 0, 1 },
+ { 2, 1 },
+ { 0, 2 },
+ { 1, 2 },
+ { 2, 2 },
+ };
+ struct LevelInfo_EM *level_em = level->native_em_level;
+ struct LEVEL *lev = level_em->lev;
+ struct PLAYER **ply = level_em->ply;
+ int i, j, x, y;
+
+ lev->width = MIN(level->fieldx, EM_MAX_CAVE_WIDTH);
+ lev->height = MIN(level->fieldy, EM_MAX_CAVE_HEIGHT);
+
+ lev->time_seconds = level->time;
+ lev->required_initial = level->gems_needed;
+
+ lev->emerald_score = level->score[SC_EMERALD];
+ lev->diamond_score = level->score[SC_DIAMOND];
+ lev->alien_score = level->score[SC_ROBOT];
+ lev->tank_score = level->score[SC_SPACESHIP];
+ lev->bug_score = level->score[SC_BUG];
+ lev->eater_score = level->score[SC_YAMYAM];
+ lev->nut_score = level->score[SC_NUT];
+ lev->dynamite_score = level->score[SC_DYNAMITE];
+ lev->key_score = level->score[SC_KEY];
+ lev->exit_score = level->score[SC_TIME_BONUS];
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ lev->eater_array[i][y * 3 + x] =
+ map_element_RND_to_EM(level->yamyam_content[i].e[x][y]);
+
+ lev->amoeba_time = level->amoeba_speed;
+ lev->wonderwall_time_initial = level->time_magic_wall;
+ lev->wheel_time = level->time_wheel;
+
+ lev->android_move_time = level->android_move_time;
+ lev->android_clone_time = level->android_clone_time;
+ lev->ball_random = level->ball_random;
+ lev->ball_state_initial = level->ball_state_initial;
+ lev->ball_time = level->ball_time;
+ lev->num_ball_arrays = level->num_ball_contents;
+
+ lev->lenses_score = level->lenses_score;
+ lev->magnify_score = level->magnify_score;
+ lev->slurp_score = level->slurp_score;
+
+ lev->lenses_time = level->lenses_time;
+ lev->magnify_time = level->magnify_time;
+
+ lev->wind_direction_initial =
+ map_direction_RND_to_EM(level->wind_direction_initial);
+ lev->wind_cnt_initial = (level->wind_direction_initial != MV_NONE ?
+ lev->wind_time : 0);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (j = 0; j < 8; j++)
+ lev->ball_array[i][j] =
+ map_element_RND_to_EM(level->
+ ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
+
+ map_android_clone_elements_RND_to_EM(level);
+
+ /* first fill the complete playfield with the default border element */
+ for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
+ for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
+ level_em->cave[x][y] = ZBORDER;
+
+ if (BorderElement == EL_STEELWALL)
+ {
+ for (y = 0; y < lev->height + 2; y++)
+ for (x = 0; x < lev->width + 2; x++)
+ level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_STEELWALL);
+ }
+
+ /* then copy the real level contents from level file into the playfield */
+ for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+ {
+ int new_element = map_element_RND_to_EM(level->field[x][y]);
+ int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
+ int xx = x + 1 + offset;
+ int yy = y + 1 + offset;
+
+ if (level->field[x][y] == EL_AMOEBA_DEAD)
+ new_element = map_element_RND_to_EM(EL_AMOEBA_WET);
+
+ level_em->cave[xx][yy] = new_element;
+ }
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ ply[i]->x_initial = 0;
+ ply[i]->y_initial = 0;
+ }
+
+ /* initialize player positions and delete players from the playfield */
+ for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+ {
+ if (ELEM_IS_PLAYER(level->field[x][y]))
+ {
+ int player_nr = GET_PLAYER_NR(level->field[x][y]);
+ int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
+ int xx = x + 1 + offset;
+ int yy = y + 1 + offset;